Bug#812120: update-initramfs fails if busybox is not installed

[Evgeny Kapun <abacabadabacaba@gmail.com>]

On 20.01.2016 22:41, Ben Hutchings wrote:
> On Wed, 2016-01-20 at 22:21 +0300, Evgeny Kapun wrote:
> > Package: initramfs-tools-core
> > Version: 0.121
> >
> > If I try to run update-initramfs while busybox is not installed, I get an error message:
> >
> >       E: busybox is required but not installed
> >       E: /usr/share/initramfs-tools/hooks/busybox failed with return 1.
> >
> > This happens irrespective of the BUSYBOX setting in /etc/initramfs-tools/initramfs.conf.
>
> You have another package installed (maybe cryptsetup) that requires
> busybox to work in the initramfs.
>
> Try this:
>
>      grep -r BUSYBOX /usr/share/initramfs-tools/conf-hooks.d
>
> Ben.

Yes, I have cryptsetup installed, but this problem appeared only after upgrading initramfs-tools to version 0.121.